PLATINUM ART DECO DIAMOND & SYNTHETIC SAPPHIRE RING: Period correct platinum ring contains one oval and 2 triangle synthetic sapphires. WEIGHT: 1.50 Ct. Approx. 12 round single cut diamonds. WEIGHT: .30 Ct. Approx. Rated VS in clarity and H-I in color. The diamonds are prong set. The sapphires are prong and bezel set. Weight: 4.0 grams. Size: 6.5